The Varilux Physio W3, eliminates additional aberrations. Varilux
Physion W3 has a patented binocular booster that uses the Rx from both
eyes to calculate the lenses as a pair, letting the eyes work together
maximizing your patientâ€™s vision in any activity. Binocular booster will
accommodate discrepancies in the Rx from one eye to another to allow the
patients prescription to make both eyes work together as a pair. This
eliminates some of the image jumping you get when you have somewhat
different prescriptions from eye to eye.

What does
Binocular Booster do for the patient?

The
Varilux Comfort W2+ offers smooth transitions from distance
vision to near vision. The lenses will empower presbyopic
patients with the sharpest and most effortless vision available
through 100% digitally engineered progressive lenses

1)
Considers the right and left prescription regardless of the
difference in correction.

2) Develops an optimized
calculation for both lenses, so the eyes work better together.